288820282 has 8 divisors (see below), whose sum is σ = 433638900. Its totient is φ = 144273984.

The previous prime is 288820253. The next prime is 288820291. The reversal of 288820282 is 282028882.

It can be written as a sum of positive squares in 2 ways, for example, as 259886641 + 28933641 = 16121^2 + 5379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65407 + ... + 69682.

Almost surely, 2^288820282 is an apocalyptic number.

288820282 is a deficient number, since it is larger than the sum of its proper divisors (144818618).

288820282 is a wasteful number, since it uses less digits than its factorization.

288820282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136160.

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 288820282 is about 16994.7133544523. The cubic root of 288820282 is about 661.0118257249.

The spelling of 288820282 in words is "two hundred eighty-eight million, eight hundred twenty thousand, two hundred eighty-two".